[Event "Vidmar Memorial-03"]
[Site "Portoroz/Ljubljana"]
[Date "1975.06.05"]
[Round "4"]
[White "Portisch, Lajos"]
[Black "Velimirovic, Dragoljub"]
[Result "0-1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Nbd7 11. a4 a6 12. Qc2 Ne5 13. Ra3 Qe7 14. a5 Bd7 15. Rb3 Rab8 16. Rb6 Bg4 17. f3 Bc8 18. Kh1 Qc7 19. f4 Ned7 20. e5 dxe5 21. fxe5 Qxe5 22. Nc4 Qd4 23. Rd6 Ng4 24. Bxg4 Qxg4 25. Qf2 f5 26. Bf4 g5 27. Re6 Rxe6 28. Bxb8 Bd4 29. dxe6 Bxf2 30. exd7 Bxd7 31. Ne5 Qd4 32. Rd1 Qb4 33. Nxd7 Bd4 34. Be5 Qxb2 35. Bxd4 cxd4 36. Nd5 Qe2 37. Rc1 Kf7 38. h3 d3 39. Rc7 Ke6 40. N7b6 d2 0-1